All names: TIC 23948125, 2MASS J14404189-0800200, Gaia DR3 6330072544880567808, Gaia DR3 6330072407441614080, PG 1438-078, UCAC2 28923308, Gaia EDR3 6330072544880567808, PG1438-078, UCAC4 410-059606, GALEX J144041.8-080019, Gaia DR2 6330072407441614080, EC 14380-0747
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 14 40 47.87 (0.1) | 14 40 41.89 | 14 40 47.87 | 14 40 41.90 (0.02) | ||
| Declination | -07 59 39.86 (0.2) | -08 00 19.42 | -07 59 39.86 | -08 00 19.93 (0.02) | ||
| Spectral type | sdO | DA | sdB+? | |||
| Effective temperature | [K] | 14949.0 (874) | ||||
| log(g) | [cgs] | 7.87 (0.07) | ||||
| Mass | [M☉] | 0.541 (0.05) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 4.13 (0.2) | 0.73 (0.03) | 4.13 | 0.74 (0.02) | |
| Distance | [pc] | 242.08 (10) | 1375.14 (57) | 242.08 | 1348.44 (37) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -35.568 (0.2) | 1.281 (0.06) | 1.263 (0.02) | ||
| Proper motion (declination) | [mas/yr] | 8.729 (0.2) | -7.04 (0.05) | -6.936 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 14.82 (0.03) | |||||
| V magnitude | 14.48 (0) | |||||
| R magnitude | 14.56 (0.06) | |||||
| I magnitude | ||||||
| J magnitude | 13.54 (0.03) | 13.54 (0.03) | ||||
| H magnitude | 13.16 (0.03) | 13.16 (0.03) | ||||
| K magnitude | 13.12 (0.03) | 13.12 (0.03) | ||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 18.10 (0.003) | 14.32 (0.002) | 18.10 | 14.31 (0.003) | ||
| BP magnitude | 18.12 (0.02) | 14.50 (0.006) | ||||
| RP magnitude | 18.24 (0.03) | 13.96 (0.006) | ||||
| Pan g magnitude | 14.54 (0.003) | |||||
| Pan r magnitude | 14.36 (0.004) | |||||
| Pan i magnitude | 14.32 (0.0008) | |||||
| Pan z magnitude | 14.30 (0.002) | |||||
| Pan y magnitude | 14.30 (0.003) | |||||
| E(B-V) | 0.061 | |||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.